Celebrating 20 years of selling the highest quality parts at the lowest prices. Guaranteed.

"Thank you for having the best prices that I can find. I have looked for hours on line and spent hours going from auto parts house to parts house and you have the best prices around."

"Hi Dana, Thank you for the great customer service in upholding the in-stock guarantee! I will surely be buying my intercooler set-up from yall. Best, Ryan "

"i have their W2A ic core/ice box/pump, i got some tbolt clamps and couplers, also a 3" vband clamp with fittings. All very fast shipping and everything is perfect thus far."

"Hi, many thanks for your help. Great customer service :) .. as good as your products Have a great Friday Cheers"

"Thanks for the response. We have an inside joke that you guys only hire ninjas with how fast your service is. SIS is definitely the first place I check for parts. You guys have a great thing going on there. Thanks!"

"Hi just to let you know that i have receive my order, and the only thing i can say is WOW ! ... THe product is simply amazing and look great, thank you so much for such an easy transaction, i will come back for sure !! Thank and have a nice day !!"